'\" t
.\"     Title: zmq_msg_size
.\"    Author: [see the "AUTHORS" section]
.\" Generator: DocBook XSL Stylesheets v1.75.2 <http://docbook.sf.net/>
.\"      Date: 05/06/2011
.\"    Manual: 0MQ Manual
.\"    Source: 0MQ 2.1.6
.\"  Language: English
.\"
.TH "ZMQ_MSG_SIZE" "3" "05/06/2011" "0MQ 2\&.1\&.6" "0MQ Manual"
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.SH "NAME"
zmq_msg_size \- retrieve message content size in bytes
.SH "SYNOPSIS"
.sp
\fBsize_t zmq_msg_size (zmq_msg_t \fR\fB\fI*msg\fR\fR\fB);\fR
.SH "DESCRIPTION"
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The \fIzmq_msg_size()\fR function shall return the size in bytes of the content of the message object referenced by \fImsg\fR\&.
.if n \{\
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.RS 4
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\fBCaution\fR
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Never access \fIzmq_msg_t\fR members directly, instead always use the \fIzmq_msg\fR family of functions\&.
.sp .5v
.RE
.SH "RETURN VALUE"
.sp
Upon successful completion, \fIzmq_msg_data()\fR shall return the size of the message content in bytes\&.
.SH "ERRORS"
.sp
No errors are defined\&.
.SH "SEE ALSO"
.sp
\fBzmq_msg_data\fR(3) \fBzmq_msg_init\fR(3) \fBzmq_msg_init_size\fR(3) \fBzmq_msg_init_data\fR(3) \fBzmq_msg_close\fR(3) \fBzmq\fR(7)
.SH "AUTHORS"
.sp
This 0MQ manual page was written by Martin Sustrik <\m[blue]\fBsustrik@250bpm\&.com\fR\m[]\&\s-2\u[1]\d\s+2> and Martin Lucina <\m[blue]\fBmato@kotelna\&.sk\fR\m[]\&\s-2\u[2]\d\s+2>\&.
.SH "NOTES"
.IP " 1." 4
sustrik@250bpm.com
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\%mailto:sustrik@250bpm.com
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.IP " 2." 4
mato@kotelna.sk
.RS 4
\%mailto:mato@kotelna.sk
.RE
